.TH std::operator<<(std::error_code) 3 "2024.06.10" "http://cppreference.com" "C++ Standard Libary"
.SH NAME
std::operator<<(std::error_code) \- std::operator<<(std::error_code)

.SH Synopsis
   Defined in header <system_error>
   template< class CharT, class Traits >

   std::basic_ostream<CharT, Traits>&                                     \fI(since C++11)\fP

       operator<<( basic_ostream<CharT, Traits>& os, const error_code&
   ec );

   Performs stream output operation on error code ec.

   Equivalent to os << ec.category().name() << ':' << ec.value().

.SH Parameters

   os - output stream to insert data to
   ec - error code

.SH Return value

   os
